How a Simple SSO Decision Unlocked 2 Faster Growth

If you're managing multiple digital products and your login system feels messy, slow, or fragile — this is for you. In this article, I’ll show you: Why fragmented authentication quietly kills scalability How we designed a centralized Keycloak SSO platform on AWS What actually reduced support tickets by 30–40% How to scale identity without vendor lock-in No theory. Just what worked in practice. The Real Problem: Identity Was Slowing Growth When this Western European energy provider came to us, their authentication system technically worked. But it didn’t scale. Four sub-brands. Multiple portals. Different user roles. Rising security requirements. Every new product meant new integration effort. Every login issue meant another support ticket. And in regulated industries like energy, identity isn’t just UX — it’s risk management. I’ve seen this pattern many times. Login becomes “just a feature”… until it quietly becomes your biggest bottleneck. Why We Chose Keycloak (And Why It Matters) Th